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Implement Widget::draw for TextInput

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This commit is contained in:
Héctor Ramón Jiménez 2021-10-20 18:40:39 +07:00
parent 954d6349a8
commit e914888f57
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GPG key ID: 140CC052C94F138E
16 changed files with 381 additions and 339 deletions
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48
native/src/widget/text.rs
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@ -24,7 +24,7 @@ use std::hash::Hash;
///
/// ![Text drawn by `iced_wgpu`](https://github.com/hecrj/iced/blob/7760618fb112074bc40b148944521f312152012a/docs/images/text.png?raw=true)
#[derive(Debug)]
pub struct Text<Renderer: self::Renderer> {
pub struct Text<Renderer: renderer::Text> {
content: String,
size: Option<u16>,
color: Option<Color>,
@ -35,7 +35,7 @@ pub struct Text<Renderer: self::Renderer> {
vertical_alignment: alignment::Vertical,
}
impl<Renderer: self::Renderer> Text<Renderer> {
impl<Renderer: renderer::Text> Text<Renderer> {
/// Create a new fragment of [`Text`] with the given contents.
pub fn new<T: Into<String>>(label: T) -> Self {
Text {
@ -103,7 +103,7 @@ impl<Renderer: self::Renderer> Text<Renderer> {
impl<Message, Renderer> Widget<Message, Renderer> for Text<Renderer>
where
Renderer: self::Renderer,
Renderer: renderer::Text,
{
fn width(&self) -> Length {
self.width
@ -176,55 +176,17 @@ where
}
}
/// The renderer of a [`Text`] fragment.
///
/// Your [renderer] will need to implement this trait before being
/// able to use [`Text`] in your user interface.
///
/// [renderer]: crate::Renderer
pub trait Renderer: renderer::Text {
/// Returns the default size of [`Text`].
fn default_size(&self) -> u16;
/// Measures the [`Text`] in the given bounds and returns the minimum
/// boundaries that can fit the contents.
fn measure(
&self,
content: &str,
size: u16,
font: Self::Font,
bounds: Size,
) -> (f32, f32);
/// Tests whether the provided point is within the boundaries of [`Text`]
/// laid out with the given parameters, returning information about
/// the nearest character.
///
/// If `nearest_only` is true, the hit test does not consider whether the
/// the point is interior to any glyph bounds, returning only the character
/// with the nearest centeroid.
fn hit_test(
&self,
contents: &str,
size: f32,
font: Self::Font,
bounds: Size,
point: Point,
nearest_only: bool,
) -> Option<Hit>;
}
impl<'a, Message, Renderer> From<Text<Renderer>>
for Element<'a, Message, Renderer>
where
Renderer: self::Renderer + 'a,
Renderer: renderer::Text + 'a,
{
fn from(text: Text<Renderer>) -> Element<'a, Message, Renderer> {
Element::new(text)
}
}
impl<Renderer: self::Renderer> Clone for Text<Renderer> {
impl<Renderer: renderer::Text> Clone for Text<Renderer> {
fn clone(&self) -> Self {
Self {
content: self.content.clone(),